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A006459
as a simple table
n
a(n)
0
1
1
3
2
9
3
17
4
31
5
53
6
85
7
133
8
197
9
293
10
417
11
593
12
849
13
1193
14
1661
15
2291
16
3139
17
4299
[1,3,9,17,31,53,85,133,197,293,417,593,849,1193, 1661,2291,3139,4299]
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)